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| author |   Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:31:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:31:12 +0200 |
| commit | 3e370b29d35fb01bfb92c2814d6f79bf6a2cb970 (patch) | |
| tree | 3b8fb467d60bfe6a34686f4abdc3a60050ba40a4 /drivers/char/misc.c | |
| parent | PCI quirks: call boot IRQ quirks at end of device init and during resume (diff) | |
| parent | Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 (diff) | |
| download | linux-dev-3e370b29d35fb01bfb92c2814d6f79bf6a2cb970.tar.xz linux-dev-3e370b29d35fb01bfb92c2814d6f79bf6a2cb970.zip | |
Merge branch 'linus' into x86/pci-ioapic-boot-irq-quirks
Conflicts:
drivers/pci/quirks.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/char/misc.c')
| -rw-r--r-- | drivers/char/misc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/misc.c b/drivers/char/misc.c index eaace0db0ff4..6e1563c3d30a 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -49,6 +49,7 @@ #include <linux/device.h> #include <linux/tty.h> #include <linux/kmod.h> +#include <linux/smp_lock.h> /* * Head entry for the doubly linked miscdevice list @@ -118,6 +119,7 @@ static int misc_open(struct inode * inode, struct file * file) int err = -ENODEV; const struct file_operations *old_fops, *new_fops = NULL; + lock_kernel(); mutex_lock(&misc_mtx); list_for_each_entry(c, &misc_list, list) { @@ -155,6 +157,7 @@ static int misc_open(struct inode * inode, struct file * file) fops_put(old_fops); fail: mutex_unlock(&misc_mtx); + unlock_kernel(); return err; } |